——You are so lucky.——What do you mean ____ that?A.by B.in C.of D.for.______ more and more forests destroyed,some animals are facing the danger of dying out.A.By B.With C.As D.For(为什么不用D?for不是可以表原因吗?

——You are so lucky.——What do you mean______saying that?—You are so lucky.—What do you mean______ that?A.forB.inC.ofD.by说下原因, ——You are so lucky!——What do you mean______saying that?A.forB.inC.ofD.byWhy? Why are you so happy,dear?— Because I’m to get a teddy bear as my present.A.sick B.sad C.ready D.lucky you are so lucky finding me 和you are so lucky to find me 有什么差别 So lucky to meet you —You look so lucky.—What do you mean __________ that?—What do you mean __________ that?A.forB.inC.of 英语：you are lucky .you have so many good friends.合并成一句, you are lucky.you have so many good friends.合并成一句 you are my lucky 急 You are my lucky stars you are lucky还是you are luck ——You are so lucky.——What do you mean ____ that?A.by B.in C.of D.for.______ more and more forests destroyed,some animals are facing the danger of dying out.A.By B.With C.As D.For(为什么不用D?for不是可以表原因吗? he keeps talking about how beautiful you are he is so lucky to have you heard alot about you这三句 You make me so You make me so lucky You are clever and very lucky You are a lucky dog什么意思? you are very very lucky是什么意思? 如果有人用英语对你说：“You are so lucky,那应该用英语怎么回答他才有礼貌?